.stack {
    margin: 0;
    position: relative;
    display: inline-block;
    padding: 24px 24px 24px 0;
    list-style: none;
    min-height: 206px;
    min-width: 256px;
    max-height: 350px;
    overflow-y: auto;
}
.stack > li {
    margin: 12px 0;
    padding: 2px 8px;
    font-size: 14px;
    text-align: left;
    border-radius: 1px;
    -webkit-border-radius: 1px;
    -moz-border-radius: 1px;
    -ms-border-radius: 1px;
    -o-border-radius: 1px;
    border: none;
}
.stack > li > div {
    color: #000;
    font-weight: 600;
    padding: 0 12px;
}
